Is Wilke pronounced like will-key or wilk (rhymes with milk) or something else entirely? I think your son will have quite a few mispronunciations in his future. Not the worst thing but it still can be annoying.

Personally, I'd find something else and use Wilke in the middle.

** The opinions expressed above are not meant to be reflective of Nameberry as a whole but are my opinion and mine alone. **